@startuml rete
garg2e2_ -> pull_bck_push_v2_ 
farg2e2_ -> pull_bck_push_v2_
echo_deb_ -> pull_bck_push_v2_
pull_bck_push_v2_ -> pull_bck_push_v2_:is_num
pull_bck_push_v2_ -> pull_bck_push_v2_:exit_err_pull_bck_push_v2_
pull_bck_push_v2_ -> pull_bck_push_v2_:exit_reg_pull_bck_push_v2_
pull_bck_push_v2_ -> pull_bck_push_v2_:unset_autoargs_pull_bck_push_v2_
' {wrap_fn}
' fnn o-> pull_bck_push_v2_
' {body_fn}
@enduml